clueless

mod. unaware. I have never seen anyone so totally clueless. What a dunce!

totally clueless

mod. ignorant (of something). (see also cluelessness.) Everybody was totally clueless as to what to do.

Name	Pronounced	Usage
Bajer	['baiər]
Consuela	kon-SWE-lah	Spanish
Dana (4)	-	Persian, Arabic
Edgaras	-	Lithuanian
Yianni	-	Greek
Mattan	-	Biblical, Biblical Hebrew